ML19308E118
| ML19308E118 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 04/19/1977 |
| From: | FLORIDA POWER CORP. |
| To: | |
| Shared Package | |
| ML19308E115 | List: |
| References | |
| NUDOCS 8003200838 | |
| Download: ML19308E118 (1) | |
Text
.,
..V,g ENVIRONMENTAL LICENSEE EVENT REPORT (#77-30E) 1.
Facility:
Crystal River Unit #3 2.
Report Date:
19 April 1977 3.
Occurrence Date:
24-25 March,1977 4.
Identification of Occurrence:
Biomass of fish and shellfish impinged on the intake screens of Units 1, 2 and 3 exceeded the 50 kg/24hr reporting level of section 3.1.3 of the Environmental Technical Specifications.
5.
Conditions Prior to Occurrence:
Unit #1 - All water circulation pumps non-operational.
(Unit 1 down, maintenance)
Unit #2 - All water circulation pumps operating normally.
Unit #3 - All water a.irculation pumps operating normally.
6.
Description of Occurrence:
During the period 0900 March 24, 1977 to 0900 March 25, 1977 156.30 kg of fish and shellfish were impinged on the intake screens of Crystal River Units 1, 2 and 3.
Of the 156.30 kg impinged, Unit 3 accounted for 99.13 kg (63% of total). Two commercially unimportant species, the batfish and the cowfish 1
accounted for 93.05 kg (60% of total). Two commercially utilized species, the pink shrimp and the blue crab accounted for 26.35 kg (17% of total). Impingement of all other commercially utilized species was less than 1 kg during the period in question. The remaining biomass impinged was distri-buted among several species of fish and shellfish.
7.
Designation of Apparent Cause of Occurrence:
The following unusual or periodic events were noted prior to or during the occurrence:
A.
Barge traffic One oil barge entered the intake canal One coal barge left the intake canal; B.
Strong Southwest winds occurred in the Crystal River area on March 23, 1977; C.
Divers were cleaning the submerged portion of the intake structure of Unit 1.
These events have been partially responsible for the impingement observed.
h 8003200 f
.